[dolphin] [Bug 486209] New: Dolphin file opening fails outside KDE environments after update

[raven2cz]

https://bugs.kde.org/show_bug.cgi?id=486209

            Bug ID: 486209
           Summary: Dolphin file opening fails outside KDE environments
                    after update
    Classification: Applications
           Product: dolphin
           Version: 24.02.2
          Platform: Arch Linux
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: tonda.fischer at gmail.com
                CC: kfm-devel at kde.org
  Target Milestone: ---

Description:
After a recent system update, Dolphin file manager has ceased to function
properly outside of KDE environments. Attempting to open any file leads to the
default application assignment window popping up; however, this window is now
showing empty without listing any applications, as if all application
associations have disappeared.

This issue became noticeable with the introduction of Plasma 6, at which point
I could resolve the problem by manually starting the /bin/kded6 service,
allowing default applications and xdg-open to operate normally. However,
following the latest update, this workaround is no longer effective, and the
default application window remains empty, leaving no possibility to launch any
files.

Impact:
This is a critical issue as it completely hinders the functionality of Dolphin
in non-KDE desktop environments, affecting productivity and system usability.

Steps to reproduce:

1. Update the system including Dolphin and KDE components on arch.
2. Open Dolphin in a non-KDE environment.
3. Try to open any file.
4. Observe that the default application assignment window opens but contains no
applications.

Expected behavior:
Files should open with their associated default applications as defined in the
system settings or fall back to using xdg-open.

Actual behavior:
The default application window is empty, and no files can be opened directly
from Dolphin.

System information:
    KDE version: Plasma 6
    Dolphin version: 24.02.2
    Operating System: Arch Linux

Severity: Critical

Note:
This issue does not occur within KDE environments, only when using Dolphin in
other desktop environments.

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